A flaw was found in KubeVirt's virt-handler component. This vulnerability allows an authenticated OpenShift user with edit permissions in a single namespace to exploit improper symlink validation when connecting to virtual machine console sockets. By replacing the console socket with a symlink to the host's container runtime (CRI-O) socket, an attacker can hijack virt-handler's privileged connection. This enables the attacker to access any Unix socket on the host, potentially leading to full control of the node and the entire cluster.
History

Wed, 27 May 2026 06:30:00 +0000

Type Values Removed Values Added
CPEs cpe:/a:redhat:container_native_virtualization:4 cpe:/a:redhat:container_native_virtualization:4.12::el8
cpe:/a:redhat:container_native_virtualization:4.13::el9
cpe:/a:redhat:container_native_virtualization:4.14::el9
cpe:/a:redhat:container_native_virtualization:4.15::el9
cpe:/a:redhat:container_native_virtualization:4.16::el9
cpe:/a:redhat:container_native_virtualization:4.17::el9
cpe:/a:redhat:container_native_virtualization:4.18::el9
cpe:/a:redhat:container_native_virtualization:4.20::el9
References

Wed, 27 May 2026 00:15:00 +0000

Type Values Removed Values Added
References
Metrics threat_severity

None

threat_severity

Important


Tue, 26 May 2026 15:15:00 +0000

Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'total'}, 'version': '2.0.3'}


Tue, 26 May 2026 13:45:00 +0000

Type Values Removed Values Added
Description A flaw was found in KubeVirt's virt-handler component. This vulnerability allows an authenticated OpenShift user with edit permissions in a single namespace to exploit improper symlink validation when connecting to virtual machine console sockets. By replacing the console socket with a symlink to the host's container runtime (CRI-O) socket, an attacker can hijack virt-handler's privileged connection. This enables the attacker to access any Unix socket on the host, potentially leading to full control of the node and the entire cluster.
Title Kubevirt: kubevirt virt-handler: privilege escalation and node compromise via symlink following vulnerability
First Time appeared Redhat
Redhat container Native Virtualization
Weaknesses CWE-59
CPEs cpe:/a:redhat:container_native_virtualization:4
Vendors & Products Redhat
Redhat container Native Virtualization
References
Metrics cvssV3_1

{'score': 9.9, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H'}


cve-icon MITRE

Status: PUBLISHED

Assigner: redhat

Published:

Updated: 2026-05-27T05:37:29.152Z

Reserved: 2026-04-29T06:46:44.106Z

Link: CVE-2026-7374

cve-icon Vulnrichment

Updated: 2026-05-26T13:37:38.502Z

cve-icon NVD

Status : Awaiting Analysis

Published: 2026-05-26T14:16:40.717

Modified: 2026-05-26T19:08:15.080

Link: CVE-2026-7374

cve-icon Redhat

Severity : Important

Publid Date: 2026-05-26T12:30:00Z

Links: CVE-2026-7374 - Bugzilla

cve-icon OpenCVE Enrichment

Updated: 2026-05-26T15:15:08Z